Testing Laboratories - Investment Trends

This page shows the overall investment trends by institutions in companies categorized in this industry.

To create this report, we combined institutional holdings listed in 13F's with SIC codes self-reported by companies in their 10-Q's.

Period Owners Total Shares Percent Change
in Shares
Fair Market Value (USD) Percent Change
in Value
2025-Q2 417 201,221,411 2.01 5,253,879,623,000 20.92
2025-Q1 368 197,258,649 0.41 4,344,967,964,000 -9.93
2024-Q4 372 196,458,967 2.46 4,824,128,577,000 7.21
2024-Q3 382 191,740,714 9.37 4,499,671,331,000 35.22
2024-Q2 344 175,318,435 28.11 3,327,681,440,000 77.29
2024-Q1 279 136,849,173 0.40 1,877,019,638,000 -1.28
2023-Q4 299 136,310,327 4.24 1,901,412,478,000 36.96
2023-Q3 296 130,770,143 2.29 1,388,315,454,000 -21.59
2023-Q2 283 127,836,710 1.45 1,770,630,748,000 -3.74
2023-Q1 276 126,015,661 0.48 1,839,485,145,000 108.01
2022-Q4 262 125,418,726 2.44 884,306,906,000 4,871.58
2022-Q3 262 122,433,347 -9.23 17,787,239,000 22.98
2022-Q2 253 134,883,618 2.21 14,463,715,000 -22.18
2022-Q1 290 131,964,270 -0.30 18,586,139,000 -37.63
2021-Q4 319 132,361,283 1.47 29,797,915,000 -24.65
2021-Q3 336 130,437,748 -15.03 39,545,122,000 23.93
2021-Q2 328 153,505,213 20.02 31,908,526,000 -4.79
2021-Q1 355 127,896,650 20.77 33,514,892,000 -9.45
2020-Q4 353 105,898,023 -0.64 37,013,965,000 43.69
2020-Q3 311 106,579,038 2.59 25,760,373,000 22.62
2020-Q2 302 103,883,855 7.85 21,007,596,000 -68.24
2020-Q1 289 96,320,870 1.42 66,150,884,000 6.95
2019-Q4 277 94,975,038 4.53 61,852,840,000 999.58
2019-Q3 276 90,857,896 -1.76 5,625,113,000 -23.73
2019-Q2 282 92,482,129 8.32 7,375,111,000 43.50
2019-Q1 264 85,381,466 9.23 5,139,440,000 101.56
2018-Q4 235 78,165,460 -7.36 2,549,857,000 -9.54
2018-Q3 196 84,379,011 15.81 2,818,737,000 47.88
2018-Q2 178 72,860,334 -1.11 1,906,081,000 65.60
2018-Q1 165 73,678,904 -1.89 1,151,008,000 -2.12
2017-Q4 157 75,097,859 3.88 1,175,977,000 -50.49
2017-Q3 160 72,294,865 1.21 2,375,239,000 50.45
2017-Q2 157 71,432,995 -4.14 1,578,765,000 9.95
2017-Q1 168 74,519,447 -1.61 1,435,931,000 63.07
2016-Q4 172 75,741,812 8.84 880,553,000 -6.36
2016-Q3 163 69,590,391 7.46 940,347,000 -41.82
2016-Q2 175 64,758,188 5.07 1,616,179,000 36.95
2016-Q1 146 61,634,548 1.61 1,180,082,000 -41.42
2015-Q4 147 60,657,798 40.03 2,014,475,000 92.94
2015-Q3 119 43,316,186 1.91 1,044,084,000 17.93
2015-Q2 116 42,504,028 -3.45 885,331,000 4.31
2015-Q1 102 44,020,851 0.00 848,767,000 0.00